Eric Pouech : dbghelp: Fixed value stored for register relative information

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 16db2566c6b7419cecb632188394054bab72bc98
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=16db2566c6b7419cecb6321883...

Author: Eric Pouech 
Date:   Sat Dec  2 17:43:20 2006 +0100

dbghelp: Fixed value stored for register relative information
(regression spotted by Peter Oberndorfer).

---

dlls/dbghelp/dwarf.c |   28 ++++++++++++++++++----------
 1 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/dlls/dbghelp/dwarf.c b/dlls/dbghelp/dwarf.c
index 876d310..aaab3fb 100644
--- a/dlls/dbghelp/dwarf.c
+++ b/dlls/dbghelp/dwarf.c
@@ -673,6 +673,19 @@ compute_location(dwarf2_traverse_context
         case DW_OP_reg20: case DW_OP_reg21: case DW_OP_reg22: case DW_OP_reg23:
         case DW_OP_reg24: case DW_OP_reg25: case DW_OP_reg26: case DW_OP_reg27:
         case DW_OP_reg28: case DW_OP_reg29: case DW_OP_reg30: case DW_OP_reg31:
+            /* dbghelp APIs don't know how to cope with this anyway
+             * (for example 'long long' stored in two registers)
+             * FIXME: We should tell winedbg how to deal with it (sigh)
+             */
+            if (!piece_found)
+            {
+                if (loc->reg != Wine_DW_no_register)
+                    FIXME("Only supporting one reg (%d -> %d)\n",
+                          loc->reg, dwarf2_map_register(op - DW_OP_reg0));
+                loc->reg = dwarf2_map_register(op - DW_OP_reg0);
+            }
+            loc->kind = loc_register;
+            break;
         case DW_OP_breg0:  case DW_OP_breg1:  case DW_OP_breg2:  case DW_OP_breg3:
         case DW_OP_breg4:  case DW_OP_breg5:  case DW_OP_breg6:  case DW_OP_breg7:
         case DW_OP_breg8:  case DW_OP_breg9:  case DW_OP_breg10: case DW_OP_breg11:
@@ -688,17 +701,12 @@ compute_location(dwarf2_traverse_context
             if (!piece_found)
             {
                 if (loc->reg != Wine_DW_no_register)
-                    FIXME("Only supporting one reg (%d -> %d)\n", 
-                          loc->reg, op - DW_OP_reg0);
-                loc->reg = dwarf2_map_register(op - DW_OP_reg0);
-            }
-            if (op >= DW_OP_breg0 && op <= DW_OP_breg31)
-            {
-                stack[++stk] = dwarf2_leb128_as_signed(ctx);
-                loc->kind = loc_regrel;
+                    FIXME("Only supporting one reg (%d -> %d)\n",
+                          loc->reg, dwarf2_map_register(op - DW_OP_breg0));
+                loc->reg = dwarf2_map_register(op - DW_OP_breg0);
             }
-            else
-                loc->kind = loc_register;
+            stack[++stk] = dwarf2_leb128_as_signed(ctx);
+            loc->kind = loc_regrel;
             break;
         case DW_OP_fbreg:
             if (loc->reg != Wine_DW_no_register)